Security

A security group acts as a firewall that controls the traffic for one or more instances.
When you launch an instance, you associate one or more security groups with the
instance.
You add rules to each security group that allow traffic to or from its associated
instances.
You can modify the rules for a security group at any time.
The new rules are automatically applied to all instances that are associated with
the security group.

The security groups created and assigned to the individual instances as part of this
solution are restricted as much as possible while allowing access to the various
functions needed by Puppet. We recommend that you review security groups to further
restrict
access as needed once Puppet is up and running.

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